A collection of fossil shells from marine snails and clams is challenging a theory that says the world's deadliest mass extinction was accompanied by severe ocean acidification. The study is the ...

A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of ...

The bizarre fossil, which looks a little like a hairy finger with a nail, dates to around 480 million years old. It has been identified as belonging to mollusks due to the presence of a toothed ...

Snails and the clams they hunt for food increased in abundance for several decades during the late 1800s and early 1900s, evidence of a vibrant and healthy ecosystem. Then, a threshold was crossed.

That set the stage for the early ancestors of today's burrowing clams and snails to take over. Tags: fossils, palaeontology, invertebrates ...

In a discovery that can only be described as a 'needle in a haystack,' a clam thought to be extinct for nearly 30,000 years has been found alive in California. In November 2018, marine researcher Jeff ...

That set the stage for the early ancestors of today's burrowing clams and snails to take over. Tags: fossils, palaeontology, invertebrates ...

"We can basically look at a day 70 million years ago. It's pretty amazing." The fossil that gave de Winter and his colleagues so many data points is the shell of an extinct type of clam.

Fossil examples on left, living examples on right. From top to bottom: whales, sharks, echinoids, snails, clams, corals.